Westerville Company reported the following results from last year's operations: Sales Variable expenses Contribution margin Fixed expenses. Net operating income Average operating assets $ 1,300,000 440,000 860,000 600,000 $ 260,000 $ 812,500 At the beginning of this year, the company has a $162,500 investment opportunity with the following cost and revenue characteristics: Sales $ 260,000 Contribution margin ratio 80% of sales $ 182,000 Fixed expenses The company's minimum required rate of return is 15%. 12. What is the residual income of this year's investment opportunity? Residual income